From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#31316: Emacs hangs in `font_open_entity' Date: Sun, 17 Nov 2019 17:55:57 +0200 Message-ID: <83r2265wfm.fsf@gnu.org> References: <20180430.101308.1102659443644829077.wl@gnu.org> <8736emc3o4.fsf@gnus.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="207425"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 31316@debbugs.gnu.org To: Lars Ingebrigtsen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Nov 17 16:57:38 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iWMvi-000rrV-5O for geb-bug-gnu-emacs@m.gmane.org; Sun, 17 Nov 2019 16:57:38 +0100 Original-Received: from localhost ([::1]:54398 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iWMvg-0000rd-DL for geb-bug-gnu-emacs@m.gmane.org; Sun, 17 Nov 2019 10:57:36 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:59251) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iWMv8-0000N8-N2 for bug-gnu-emacs@gnu.org; Sun, 17 Nov 2019 10:57:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iWMv7-00056v-Pd for bug-gnu-emacs@gnu.org; Sun, 17 Nov 2019 10:57:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:33575) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iWMv7-00056p-Mm for bug-gnu-emacs@gnu.org; Sun, 17 Nov 2019 10:57:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iWMv7-0003Gj-IT for bug-gnu-emacs@gnu.org; Sun, 17 Nov 2019 10:57:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 17 Nov 2019 15:57:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31316 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo Original-Received: via spool by 31316-submit@debbugs.gnu.org id=B31316.157400616512504 (code B ref 31316); Sun, 17 Nov 2019 15:57:01 +0000 Original-Received: (at 31316) by debbugs.gnu.org; 17 Nov 2019 15:56:05 +0000 Original-Received: from localhost ([127.0.0.1]:42396 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iWMuD-0003Fc-0u for submit@debbugs.gnu.org; Sun, 17 Nov 2019 10:56:05 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:50095) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iWMuB-0003F8-E1 for 31316@debbugs.gnu.org; Sun, 17 Nov 2019 10:56:03 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:35332) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1iWMu6-0004lS-6K; Sun, 17 Nov 2019 10:55:58 -0500 Original-Received: from [176.228.60.248] (port=3203 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1iWMu5-0005fo-IG; Sun, 17 Nov 2019 10:55:58 -0500 In-reply-to: <8736emc3o4.fsf@gnus.org> (message from Lars Ingebrigtsen on Sun, 17 Nov 2019 09:23:07 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:171804 Archived-At: > From: Lars Ingebrigtsen > Date: Sun, 17 Nov 2019 09:23:07 +0100 > Cc: 31316@debbugs.gnu.org > > > for (psize = pixel_size; ; psize++) > > { > > font_object = driver_list->driver->open (f, entity, psize); > > if (NILP (font_object)) > > return Qnil; > > font = XFONT_OBJECT (font_object); > > if (font->average_width > 0 && font->height > 0) > > break; > > } > > > > Both `average_width' and `height' are always zero for `font' > > regardless of `psize'; this effectively makes the above code an > > endless loop. > > I tried reproducing this with Emacs 27 (on a Debian laptop), and I get > no hangs. Are you still seeing this problem? The infloop was fixed in commit e2879c1. There was an additional issue that caused the bug to remain open, but I think we can close this now.